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M6 × 20 mm 304 Stainless Steel Countersunk Socket Screws — 100 Pack
M6 × 20 mm 304 Stainless Steel Countersunk Socket Screws — 100 Pack
Create a clean, flush fastening in a correctly formed countersink with these M6 × 20 mm socket screws. The 304 stainless steel construction suits general workshop, machine-cover, bracket and enclosure assembly, while the internal hex drive provides direct tool access from above.
M6 × 20 mm quick reference
Family drawing — confirm the supplied screw before critical machiningMetric countersunk socket screw dimensional data
Use the M6 column for the head, socket and thread dimensions. Select the image to inspect the full-size NCMASTER family drawing.
Why use these countersunk screws?
- Flat countersunk head can finish flush with the surrounding surface in a matching recess.
- Internal hex socket supports controlled, straight-on installation with the correct key.
- 304 stainless steel construction suits general workshop and equipment assembly.
- One defined diameter, length and pack quantity keeps repeat builds and maintenance stock organised.
Technical specifications
| Thread | Length | Pitch | Head Ø | Hex key | Socket depth | Material | Pack |
|---|---|---|---|---|---|---|---|
| M6 | 20 mm | 1.0 mm | 11.57–12.00 mm | 4 mm | 2.25–2.50 mm | 304 stainless steel | 100 pieces |
Diameter, pitch, head and socket dimensions are transcribed from the existing NCMASTER family drawing. Confirm the supplied screw before machining a tightly toleranced countersink.
Typical applications
Suitable for machine covers, guards, brackets, plates, enclosures and fixtures where the fastener head should sit level with the surrounding surface.
Australia-wide supply from Melbourne
Stocked by NCMASTER in Melbourne with delivery available across Australia for workshop, CNC, fabrication and automation projects.
Browse NCMASTER countersunk head cap screws for other diameters and lengths.
